The kernel core now supports a notifier call chain for system
restart functions.
With this change, the arm_pm_restart callback is now optional,
so check if it is set before calling it. Only call the notifier
functions if arm_pm_restart is not set.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
v2: Only call notifier call chain if arm_pm_restart is not set
Do not include linux/watchdog.h
arch/arm/kernel/process.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 81ef686..5108e45 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -230,7 +230,11 @@ void machine_restart(char *cmd)
local_irq_disable();
smp_send_stop();
- arm_pm_restart(reboot_mode, cmd);
+ if (arm_pm_restart)
+ arm_pm_restart(reboot_mode, cmd);
+ else
+ blocking_notifier_call_chain(&restart_notifier_list,
+ reboot_mode, cmd);
/* Give a grace period for failure to restart of 1s */
mdelay(1000);
--
1.9.1
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